I-142

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Test Set I-142-B is a portable unit used in measuring the electrical characteristics of field telephones, handsets, head and chest sets, microphones, receivers, generators, ringers, capacitors, and station dials.


References

  • TM 11-2062 Test Set I-142 and Test Set I-142-A (Telephone). War Dept. Sep. 1948. 98 p. U408.3.A13 TM 11-2062 Sep. 1948
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